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To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s
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Introduction: What is the "purple grape" plant commonly seen on the roadside? Are its fruits edible? Why? As the saying goes: Knowledge is treasure, ignorance is grass. In the mountains in the countryside, there are all kinds of plants everywhere. Any plant is valuable to someone
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Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha
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There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before.
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⇩ ⇩ ⇩ ⇩. More biolighting information can be found in the biolighting demonstration area in Hall 4.2, Area 4.2 of GILE2022A. Click on the "link" to get exhibition tickets.
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Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor
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Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi
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An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr
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I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau
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When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world.
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The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w
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The drainage and flood prevention engineering system is like the "blood vessel" of the city. A smooth network of drainage channels can naturally reduce the risk of urban flooding. The readers' letter section received many letters from readers describing their personal experiences
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Just like this refreshing and capable working girl in the picture, she is wearing a relatively common black short skirt. Her overall look is full of aura and looks like a strong woman. To be more specific, this young lady's skirt still has certain characteristics. It is different
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